Take-up mechanism for looms.



J. P. LANDRY.

TAKE-UP MECHANISM FOR LOOMS.

APPLICATION FILED OCT- Z, 1912.

Patented May 9, 1916.

mve hlaz" h 1mm Ja e w "rates JUSEPH P. LANDRY, OF UXBRIDG-E,MASSACHUSE'ETS.

TAKE-UP MECHANIESM ESE 2100101155.

Specification c 5 Letters Patent.

Patented May 9, 1211.5.

Application filed hotelier 2, 19153. Serial No. 723,509.

, attempting to hasten the production of fabric by manually advancingthe take-up roll. This operation is commonly known as pumping, and it ofcourse results in the production of imperfect goods, which may not bediscovered until after the goods ha e been sold. As will be explainedhereinafter, I have provided means which renders it absolutelyimpossible for the weaver to pump when the loom is operating, the lockwhich prevents such pumping being capable however of being released orunlocked when the loom is stationary and when it becomes necessary toslack back to piclr out.

The invention consists in the construction and combination of partssubstantially as hereinafter described and claimed.

Of the accompanying drawings: Figure l is an end elevation of a portionof a loom embodying my present improvements; Fig. 2 is elevation fromthe right of Fig. 1; Fig-.8? represents a section on line 3-3 of Fig. 2Fig. 4c is a detail elevation, partly in sectiol'l, on line H of Fig.

Similar reference characters indicate the same or similar parts in alloff the views.

A portidn of the frame of the loom near the base and at the left handthereof is indicated at 10; The vertical shaft 11, While not the owe!shaft of the loom, is the driving sha t for the mechanism hereinafter described. Said shaft 11 is provided with bevel pinions 12, 13 loose. onsaid shaft. Meshing with said pinions is a suitably qlnounted bevelpinion is, compounded With which is a gear 15 meshing with a gear 16carried by the shaft 17. Splined on the shaft 11 is a clutch member 18carried by a vertically adjustable rod 19, said clutch member 18alternately cooperating With clutch members carried by the bevel pinions12, 13. By shifting said clutch niember'l8,

the direction of rotation imparted to the.

shaft 17 be reversed. As this reversing mechanism .torins nopart of mypresent inention, further description or illustration\ thereof is notnecessary.

The .haft 1"? carrie's'the bevel pinion 2O meshing With a bevel pinion21 carried by a shaft mounted in a bearing 22, said shaft having a Worm23 meshing with a Worm gear 2% carried by a shaft 25. So far as the present invention is concerned, any mechanism for reversing the direction ofrotation of the Worm 28 might be substituted for the re versingmechanism 11, 12, 13, et seq. spro hot 26 carried by shaft 25 isconnected a chain 2? with a sprocket 28 carried by a clutch member 29(Figs. 1 and 2) loosely mounted on shaft 30. Said shaft has a hand Wheel31 at its outer end, and at its inner end is connected through suitablegearing 32, such as the usual gearing, with the sand roll 33 and flossroll 34 of the usual or derstood at this point that it is by means ofthe hand Wheel 81 that the rolls 33, 84: are

to be operated when necessary to slack back the warp for any purpose,such as picking out.

Splined on the shaft 30 is a clutch member adapted to coliperate ashereinafter described with the clutch member 29, said clutch member 35having a hub 36 having a groove engaged by a yoke 37 carried by a lever38 pivoted at 39 to a bracket 40 (Figs. 2, 3 and 4). I The lever 38 has:1 lug il en gaging a notch 42 in a disk 43 carried by a hub 44 mountedon a pin or stud shaft 45 mounted in an ear or ears 46 of the bracketso; A coil spring 47 is connected at one end to an car 46 and at theother end to the disk 43, so as to have a normal tendency to hold the.-disk 43 in the position shown in. Figs; 2 and i with the clutch members29, 35 interengaged. A fixed stop all cohperates with the shoulder 49 ofthe disk 43 to hold the disk in the position just explained The by ahand lever .32. the lattor being secured disk 4 is provided with anothershoulder 50 '\\'lli"l1 is engaged by a look arm 51 earned to the usuacontrol shaft 5 said, shat t in practice extending trom one end to theother of the loom and i. Wing at each end a hand lever, such as the handlovor 52. by means of which the starting and stopping of the loom can beotleotod.

It. is to be understood that the loom is sup posed to be in operationwhon the hand lovor 5'3 is in the position shown in Fig. l. the look filbeing then in position to oofiporato with the shoulder 50 ot' the disk43 so as to prevent rotation ol' said disk in the direction of thoarro\\'.- l ig. -l. The hub -tt of the disk is provided with a handwheel 5-1, bvinoans of which, after the lever 52 has boon moved to stopthe loom and carry the look arm 51 away from tho shoulder fitl. the.disk can be rotated in the direction of the. arrow, Fig. -l. so as tooscillate the lovor 3S and separate the clutch member 3.3 from the lutohmember 2% i\t this time the hand wheel 31 may be. oporatod to manuallyactuate tho take-up roll. The loom oannot' be startod again until thehand whool 5-! is released. booauso tho portion oi the disk 13 behindthe shouldori'it will oppose the. return ol' the arm at to tho positionshown in Fig. I). When tho hand wheel Si is released the spring 47returns the disk with its shoulder 49 against the stop lb, thusreturning tho lover 538 to the position shown in Fig. 4-

and roi ugaging the rlutch memhors 3.), 2t).

it is impossible then For the weaver to main uallv aotuato the handwheel 31, because. the worm 2;) engaging the gear 24- aots through the.sprockets andthe chain)? to preront movement of said hand wheel. Withoutthis worm gear lock to prevent bark. motion, or its equivalent, tho handwheel 3' might be operated after putting the clutch member 18 in anintermediate position.

\Vhen the weaver finds it necessary to tighten or slackon the. warp, hemust operate the hand wheel 54 with one hand to release the lock,- andthen with the other hand oporato the hand wheel 3i. But he cannotoperate the hand wheel 54 so ,as to release the look excepting when theloom is stationaijy. 'lheret'ore he cannot perform the operation knownas pumping" to increase the appar ent length of woven fabric.

Ilaving' described my invention, 1 claim:

1. A loom having take-up mechanism arranged to permit manual operationof the take-up roll when the loom is stopped, and means lockable forpreventing'iifiinual operation of the take-up roll when the loom is inmotion, said means being arranged to be locked by a locking membermovable to locking position by the'shipping lever when the latter movedto start the loom, said looking member being arranged so as to beincapable ofrem'oval from locking position 2. A loom ha ing tal e upmechanism arranged to permit manual operation of the tako-up roll whenthe loom is stopped, and moans for preventing manual operation of thetake-up roll when the 100111 is in motion, said moans being arranged tobe locked by a member rigidly aflixed to the shipping lever, and to bereleased only by movement: ottho shipping lever toward stoppingposition. r

I). it loom having a take-up mechanism operating shaft, a clutch member.loose on said shat't, means for driving said clutch member, a clutchmember connected to said shaft to rotate the latter, means for shiftingthe last mentioned clutch member to and from the loose olutoh member,andlock meohanism 't'or preventing such shitting, said look meohanismbeing connected with and actuated by the loom starting and stoppingmechanism.

A loom having a take-up mechanism operating shaft. a clutch member looseon said sha it, means including a worm gear 'for driving said clutchmember, a clutch member oonnootod to said shaft to rotate the latter.means for shifting the. last; mentioned olutoh mombor to and from theloose clutch member, and lock mechanisn'i for preventing" ini'anboizuaolutoh memberconnected to said sha it to rotate the latter, means forshifting the last mentioned. clutch member to and from the loose olutehmember, lock mechanism for preventing such shifting, and a lever foroperating the starting and st0pping mechanism of the loom, said lockmoohanism being connected with said lever.

B. A loom having a manually operable shaft connected to the take-upmechanism, separable olutoh members on said shaft, one being loose andthe other splined thereon, power driving mechanism for the loose olutohmember, a lever for operating the starting and stopping mechanism of theloom, and lock-controlledmeans for shifting the splinod clutch member, apart of said .look-controllod means being connected with said lover.

7. A loom having, a manually operable shat't connected to the. take-upmechanism, separable clutch members onisaid shaft, one being loose andthe other splined thereon, power driving mechanism for the loose clutchmember, a lever conneeted to the In testimony whereof I have afiixed mysignature, in presence of two Witnesses.

JOSEPH P. LANDRY. Witnesses A. M. HARRISON, P. PEZZETTL

